1223112021332 has 24 divisors (see below), whose sum is σ = 2160762868992. Its totient is φ = 605777292000.

The previous prime is 1223112021331. The next prime is 1223112021343. The reversal of 1223112021332 is 2331202113221.

It is a junction number, because it is equal to n+sod(n) for n = 1223112021298 and 1223112021307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223112021331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3073544 + ... + 3448607.

It is an arithmetic number, because the mean of its divisors is an integer number (90031786208).

Almost surely, 2^{1223112021332} is an apocalyptic number.

It is an amenable number.

1223112021332 is a deficient number, since it is larger than the sum of its proper divisors (937650847660).

1223112021332 is a wasteful number, since it uses less digits than its factorization.

1223112021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522599 (or 6522597 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1223112021332 its reverse (2331202113221), we get a palindrome (3554314134553).

The spelling of 1223112021332 in words is "one trillion, two hundred twenty-three billion, one hundred twelve million, twenty-one thousand, three hundred thirty-two".